ORBITSMITH

Free browser-based space toolkit for tracking satellites, exploring the Moon and Mars, predicting visible passes, analyzing orbital trends, and planning mission concepts.

FEATURED
The Growing Crowd in Orbit
From 1 object to 44,000 — scroll through 60 years of orbital debris history
DAILY
3D Orbital Tracker
3D visualization of 34,000+ objects in orbit, refreshed daily from the fused Space-Track/CelesTrak catalog. Satellites, rocket bodies, debris. Educational collision risk estimator included.
34,000+ objects Collision estimator Space-Track
NEW
Lunar Lab
Explore NASA LOLA/SVS-derived lunar terrain with a browser-based rover operations demo across Apollo sites, craters, maria, and valleys.
20 lunar sites Rover demo NASA-derived
NEW
Mars Lab
Explore NASA/USGS MOLA-derived Mars terrain with a rover operations demo across landing regions, craters, volcanoes, canyons, and basins.
20 Mars sites Rover demo MOLA-derived
Space Environment Statistics
60+ years of orbital trends — object growth, launch activity, constellation expansion, fragmentation events. Interactive Chart.js dashboards with ESA and McDowell data.
60+ years Chart.js ESA data
N
Visible Pass Prediction
Predict when satellites are visible from your location. Sky charts with star references, ground tracks, brightness estimates — find the ISS, Tiangong, Starlink, and more tonight.
Sky charts ISS & Starlink Your location
Mission Designer
Interactive satellite mission screening. Configure spacecraft, estimate simplified budgets across 5 domains, compare candidate launch vehicles, and review a design summary.
7 missions 5 budgets Launch matching
GS Planner
Plan satellite ground segments. Visualize contact windows across KSAT, AWS, SSC, and Leaf Space networks for any orbit configuration.
45 stations 4 networks Contact windows
Satellite Imagery
Unified viewer for 21 layers from NASA, ESA, and ESRI. Daily Earth observation, active fire detection, vegetation health, sea temperature, nighttime lights — one interface.
NASA GIBS ESA Sentinel ESRI/Maxar
ARCHIVE
Artemis II
Artemis II Mission Tracker
Relive the first crewed lunar flyby in 54 years. Telemetry replay from NASA OEM data: distance from Earth, distance to Moon, velocity, mission phase, and signal delay.
More tools in development
33K+
Tracked Objects
21
Imagery Layers
4
Data Sources
$0
Always Free
Download on the App Store